/**
* ----------------------------------------------
* Demo styles
* ----------------------------------------------
**/
.accordion {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 2px;
}

.accordion__item + .accordion__item {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.accordion__button {
  background-color: #f4f4f4;
  color: #444;
  cursor: pointer;
  padding: 18px;
  width: 100%;
  text-align: left;
  border: none;
}

.accordion__button:hover {
  background-color: #ddd;
}

.accordion__button[aria-expanded='true']::before,
.accordion__button[aria-selected='true']::before {
  transform: rotate(45deg);
}

.accordion__panel {
  padding: 20px;
  animation: fadein 0.35s ease-in;
}

/* -------------------------------------------------- */
/* ---------------- Animation part ------------------ */
/* -------------------------------------------------- */

@keyframes fadein {
  0% {
      opacity: 0;
  }

  100% {
      opacity: 1;
  }
}